Кращі подкасти про Astronomers (2023)

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A Backyard Astronomer's Diary with Jim Harstad

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Angular Measurement and Observing in Lyra: Epsilon Lyrae 15:34

1M ago15:34

15:34

Epsilon Lyrae is a double star system, often referred to as the Double-Double. When observed with the naked eye, it appears as a single point of light. However, with binoculars or a small telescope, you can see that Epsilon Lyrae is composed of at least two distinct stars, Epsilon 1 and Epsilon 2. If you have a telescope with 100mm aperture or more…

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A Backyard Astronomer's Diary with Jim Harstad

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Understanding Your Telescope Image and Observing The Moon: First Quarter Maria 14:17

3M ago14:17

14:17

As amateur astronomers, when we go out to view the night sky, we use a variety of tools. Sometimes it’s as simple as an astronomy app on a phone. We might use binoculars or a small telescope. The way we choose to view the sky will result in different viewing experiences. We know what the sky looks like when we simply turn our eyes upwards. When we …

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A Backyard Astronomer's Diary with Jim Harstad

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Star Hopping Around Antares in Scorpius 13:29

5M ago13:29

13:29

Star hopping is a technique used by amateur astronomers to navigate the night sky and locate specific celestial objects. The technique involves identifying a series of bright stars and using them as a guide to navigate to the target object. It requires some practice and patience, but it can be a rewarding way to explore the night sky. With some bas…

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A Backyard Astronomer's Diary with Jim Harstad

1
Observing in Ursa Major: Phecda 13:00

6M ago13:00

13:00

When we look at the constellation Ursa Major, The Great Bear, we are seeing a sight that is mostly invisible to many in the mid-latitudes of the southern hemisphere. If you live in Sydney, Cape Town, or Buenos Aires, you would struggle to see even a portion of this constellation on the horizon. Constellations that are in the northern sky, like Ursa…

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A Backyard Astronomer's Diary with Jim Harstad

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Observing Venus 13:40

7M ago13:40

13:40

In October, 1610, Galileo turned his telescope on Venus. He followed the planet and watched it change phases like the moon, going from gibbous to a thin crescent over several months. The appearance of phases demonstrated clearly that Venus orbits the sun, not the earth. Galileo was not surprised by this observation, it had been predicted as a neces…

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A Backyard Astronomer's Diary with Jim Harstad

1
Talking Telescopes and Observing The Moon 20:18

8M ago20:18

20:18

There is no object in the night sky that is more storied than the moon. As a thin crescent it follows the setting sun over the western horizon or leads the way for the sun before dawn in the east. As the moon becomes full, it illuminates our night. The midnight full moon rises high in the sky and turns night into a wonderland of soft illumination. …

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A Backyard Astronomer's Diary with Jim Harstad

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Constellations and Observing in Orion 25:50

11M ago25:50

25:50

If you've ever spent time in the country, away from artificial lights, and looked up at a clear moonless sky, then you've seen a sight that is becoming far too rare. The stars are dazzling in their brightness and numbers. The brightest planets, Jupiter and Venus, seem to faintly light the landscape. Before the invention of electric street lights, t…

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A Backyard Astronomer's Diary with Jim Harstad

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The Brightness of Stars and Observing The Summer Triangle 22:38

1y ago22:38

22:38

Look up on a clear night from a dark place and see the stars. The brightest ones stand out the most and make up recognizable shapes in the sky like the Big Dipper and Orion the Hunter. Other stars fill in the spaces in between, some of them barely visible at all. Stars are big and small, near and far. In this episode we'll discuss the brightness of…

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A Backyard Astronomer's Diary with Jim Harstad

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An Introduction and Observing in Pegasus: The Seedling 15:51

1y ago15:51

15:51

I'm Jim Harstad, amateur astronomer. I'm not a professional scientist, but I am a science enthusiast. I like to go out to the backyard in the evening with my small telescope and see what's up in the night sky. I got interested in astronomy as a kid, learning the night sky and exploring with a telescope from my suburban back yard. That's something I…

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1
A Backyard Astronomer's Diary with Jim Harstad

Jim Harstad

1
Angular Measurement and Observing in Lyra: Epsilon Lyrae 15:34

1
Understanding Your Telescope Image and Observing The Moon: First Quarter Maria 14:17

1
Star Hopping Around Antares in Scorpius 13:29

1
Observing in Ursa Major: Phecda 13:00

1
Observing Venus 13:40

1
Talking Telescopes and Observing The Moon 20:18

1
Constellations and Observing in Orion 25:50

1
The Brightness of Stars and Observing The Summer Triangle 22:38

1
An Introduction and Observing in Pegasus: The Seedling 15:51

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